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Finding the Fourth Proportional to 367,082.36, 550,601.40 and 218,269.65

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Solution

The fourth proportional to 367,082.36, 550,601.40 and 218,269.65 is: 327,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,082.36 : 550,601.40 = 218,269.65 : x
  2. Step 2: Convert to fraction form
    367,082.36/550,601.40 = 218,269.65/x
  3. Step 3: Cross multiply
    367,082.36x = 550,601.40 × 218,269.65
  4. Step 4: Simplify right side
    367,082.36x = 120,179,574,867.51
  5. Step 5: Solve for x
    x = 120,179,574,867.51/367,082.36
  6. Step 6: Final answer
    x = 327,391.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.